Skip to content
Product
Use it
Threat intelligence API
Free key, 70+ endpoints, OpenAPI. The product.
Get started
Pick your stack, make your first call.
Live feed
The console: incidents, filters, entities, search.
Recipes
Runnable examples for the free key.
Free feeds
RSS, ransomware feed, IOC blocklist, MISP — no key.
CLI & agents
tc from a terminal; agent keys with scoped budgets.
The data
Incident records
900 articles a day become ~70 scored incidents.
Dark web
First-party leak-site collection: victims, groups, markets.
Validated IOCs
Indicators with a false-positive gate; STIX, MISP, CSV.
Vulnerabilities
CVEs with EPSS, KEV and exploit status.
Entity graph
Actors, malware, CVEs, companies — pivotable.
For teams
For service providers
Per-client feeds, alerts and branded digests.
Use cases
How teams and builders use the corpus.
About ThreatCluster
What it is and how it is built.
Pricing
Docs
Reference
OpenAPI (Swagger)
Every endpoint, parameter and response model.
ReDoc
The same reference, long-form.
Examples on GitHub
curl, Python and Node quickstarts; daily spec snapshot.
Guides
Quickstart & plans
Key, scopes, budgets, tiers.
Integrations
Splunk, Sentinel, Elastic, agents and terminals, step by step
Export formats
STIX 2.1, MISP, CSV, text.
CLI setup
Install, log in, wire an agent.
No results found
Sign in
Get a free key
No results found
Product
Threat intelligence API
Get started
Live feed
Recipes
Free feeds
CLI & agents
The data
Incident records
Dark web
Validated IOCs
Vulnerabilities
Entity graph
For teams
For service providers
Use cases
About ThreatCluster
Docs
OpenAPI (Swagger)
ReDoc
Examples on GitHub
Quickstart & plans
Integrations
Export formats
CLI setup
Pricing
Contact
Get a free key
Sign in
Back
HardBreacher
Vulnerability
Threat entity extracted from intelligence sources
Entities
›
vulnerability
›
HardBreacher
Frequency
4
occurrences
First Seen
September 1, 2026
Last Seen
September 23, 2026
API
Overview
Recent Events
Profile
Profile
MITRE ATT&CK
1 / 2
Associated Malware
BigDiskBuster
Tools Used
Cloud Files API
TieringEngineService
Windows Defender API
Related CVEs
CVE-2026-0768
CVE-2026-50656
CVE-2026-69414
CVE-2026-81578
CVE-2026-82078
CVE-2026-82329
CVE-2026-83548
CVE-2026-83549
MITRE Techniques
T1055 - Process Injection
T1068 - Exploitation for Privilege Escalation
T1003 - OS Credential Dumping
T1053 - Scheduled Task/Job
Affected Platforms
Kaspersky Endpoint Security
CrowdStrike Falcon
Microsoft Defender
Windows
Windows 11
Android
-
REC
Recon
No techniques detected
-
RD
Resource Dev
No techniques detected
-
IA
Initial Access
No techniques detected
1
EX
Execution
T1053 - Scheduled Task/Job
-
PE
Persistence
No techniques detected
2
PE
Priv Esc
T1055 - Process Injection
T1068 - Exploitation for Privilege Escalation
-
DE
Defense Evasion
No techniques detected
1
CA
Cred Access
T1003 - OS Credential Dumping
-
DI
Discovery
No techniques detected
-
LM
Lateral Mov
No techniques detected
-
CO
Collection
No techniques detected
-
C2
C2
No techniques detected
-
EX
Exfil
No techniques detected
-
IM
Impact
No techniques detected
4
techniques detected across
3
tactics
Related Clusters (1)
Nightmare Eclipse Releases Kaspersky Exploit 'HardBreacher'
Aug 31
·
6 sources
58
Related Articles (4)
Chaotic Eclipse Released BigDiskBuster, A PoC For Windows Defender Update DoS Zero
Securityaffairs
·
Sep 23
Researcher Releases FalconFlank PoC Showing Privilege Escalation in CrowdStrike Falcon
Thehackernews
·
Sep 3
Chrome and Firefox Updates Patch Dozens of Vulnerabilities
Securityweek
·
Sep 2
Chaotic Eclipse Releases Kaspersky Zero
Securityaffairs.Co
·
Sep 1
Related Entities
Zero-day Exploit
DDoS
Kaspersky
Microsoft
CrowdStrike
Gen Digital
Nvidia
CVE-2026-0768
CVE-2026-50656
CVE-2026-69414
CVE-2026-81578
CVE-2026-82078
